diff --git a/include/c128.h b/include/c128.h
index ebb367e3b..85782aef3 100644
--- a/include/c128.h
+++ b/include/c128.h
@@ -46,7 +46,6 @@
 
 
 /* Additional key defines */
-#define CH_ESC                  27
 #define CH_F1			133
 #define CH_F2			137
 #define CH_F3			134
diff --git a/include/cbm.h b/include/cbm.h
index 1f7bfa202..1bfaa7600 100644
--- a/include/cbm.h
+++ b/include/cbm.h
@@ -106,6 +106,7 @@ extern unsigned char _filetype;         /* Default 'u' */
 #define CH_INS			148
 #define CH_ENTER                '\n'
 #define CH_STOP                   3
+#define CH_ESC                   27
 
 
 
diff --git a/include/cbm264.h b/include/cbm264.h
index a9125d5d5..a8d40ab3e 100644
--- a/include/cbm264.h
+++ b/include/cbm264.h
@@ -46,7 +46,6 @@
 
 
 /* Additional key defines */
-#define CH_ESC                  27
 #define CH_F1  			133
 #define CH_F2  			137
 #define CH_F3  			134
diff --git a/include/cbm510.h b/include/cbm510.h
index 078557f94..9f03f1217 100644
--- a/include/cbm510.h
+++ b/include/cbm510.h
@@ -46,7 +46,6 @@
 
 
 /* Additional key defines */
-#define CH_ESC                  27
 #define CH_F1			224
 #define CH_F2			225
 #define CH_F3			226
diff --git a/include/cbm610.h b/include/cbm610.h
index 8f9e78c6a..723d87699 100644
--- a/include/cbm610.h
+++ b/include/cbm610.h
@@ -46,7 +46,6 @@
 
 
 /* Additional key defines */
-#define CH_ESC                  27
 #define CH_F1			224
 #define CH_F2			225
 #define CH_F3			226
diff --git a/include/pet.h b/include/pet.h
index ccc31432f..be1eb8b9e 100644
--- a/include/pet.h
+++ b/include/pet.h
@@ -45,9 +45,6 @@
 
 
 
-/* Additional key defines */
-#define CH_ESC                  27
-
 /* Color defines */
 #define COLOR_BLACK  	       	0x00
 #define COLOR_WHITE  	       	0x01